funniest
adj.adj. causing the most laughter or being the most amusing of all. It is the form you use when comparing three or more things to find the one that makes you laugh most.
adj. the superlative form of 'funny', indicating the highest degree of humor or amusement among a group of three or more entities.
That was the funniest movie I have ever seen.
Everyone shared their most embarrassing stories, but Sarah's tale about the supermarket was definitely the funniest.
The comedian saved his funniest anecdote for the finale, ensuring the audience left the theater in high spirits after a night of relentless laughter.
Superlative form; typically preceded by the definite article 'the' and followed by a noun or a prepositional phrase starting with 'of' or 'in'.
the most funniestthe funniestLearners often double the superlative by adding 'most' to a word that already has the '-iest' ending.